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Levart [38]
4 years ago
5

What is -2 1/4x+3 7/12x-4 2/3 simplified

Mathematics
1 answer:
lesya [120]4 years ago
5 0

Answer:

  (4x -14)/3

Step-by-step explanation:

Assuming you intend mixed number coefficients, only the coefficients of x can be combined.

  (-2 1/4)x +(3 7/12)x -(4 2/3) = x(-2 1/4 +3 7/12) -(4 2/3)

The mixed numbers are added in the usual way.

  (-2 1/4) +(3 7/12) = (-2 +3) +(-1/4 +7/12) = 1 +(-3/12 +7/12) = 1 4/12 = 1 1/3

So the expression simplifies to ...

  (1 1/3)x -(4 2/3)

This might be better written as ...

  (4x -14)/3

_____

<em>Comment on mixed numbers</em>

It is hard to write mixed numbers so they can be properly interpreted in an algebraic expression. In general, they are better written as improper fractions or as decimal numbers (if the decimal terminates).

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The radius of a circle is 3 cm. find the area in terms of pi​
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Answer:

The area is 28.27cm²

Step-by-step explanation:

6 0
3 years ago
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PLEASE HELP PLEASE WILL GIVE BRAINLIEST !!!!! Freya is training for a track race. She starts by sprinting 200 yards. She gradual
DedPeter [7]

Answer:

A. a_n=200+(n-1)5

Step-by-step explanation:

Given,

The initial sprinting of Freya = 200 yards,

Also,  She gradually increases her distance by 5 yards per day,

So, in second day her sprinting = 200 + 5 = 205 yards,

In third day = 205 + 5 = 210 yards,

In fourth day = 210 + 5 = 215 yards,

....................,  so on,.....

Hence, the sequence that shows the given situation,

200, 205, 210, 215, .........

Which is an A.P.

That having first term, a = 200,

Common difference, d = 5,

Thus, the explicit formula for the given situation is,

a_n=a+(n-1)d

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Option A is correct.

7 0
4 years ago
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6 divided by 2 times 200 multiplied by 5
kari74 [83]
6/2 = 3

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6 0
3 years ago
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what is the sum of two numbers is "-7." Two times the first number equals 4 the second number. Find the two numbers.
skelet666 [1.2K]

Answer:

\sf \text{The numbers are $\dfrac{-14}{3} $ and $\dfrac{-7}{3}$}

Step-by-step explanation:

Let the numbers be x , y

Sum of two numers = -7

x + y = -7------------(I)

Two times the first number equals 4 the second number.

2x = 4y  ----------(II)

Divide both sides by 2

       \sf \dfrac{2x}{2}=\dfrac{4y}{2}

        x = 2y

Subtitute x = 2y in equation (I)

2y + y = -7

      3y = -7

       y = -7/3

Plugin y = -7/3 in equation (II)

\sf 2x = 4*\dfrac{-7}{3}\\\\2x = \dfrac{-28}{3}\\\\x =\dfrac{-28}{3*2}\\\\x = \dfrac{-14}{3}

4 0
3 years ago
On a number line, 0.2 would be locate. Choose all answers that make a true statement.
satela [25.4K]

Answer:

A. between o.1 and o.3

Step-by-step explanation:

Between 1 and 3, there's 2.

6 0
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